Increased production at Marigold: Produced 49,436 ounces of gold, an increase of 15% compared to the first quarter.

Record ore tonnes stacked at Marigold: Stacked a record 7.9 million tonnes of ore at an increased grade of 0.42 g/t.

Production in line with guidance at Seabee: Produced 23,582 ounces of gold, with all ore sourced from the high-grade Santoy mine.

Strong quarterly production at Puna Operations: Produced 1.0 million ounces of silver, for a total of 1.9 million ounces of silver produced in the first half of 2018, exceeding guidance.

Paul Benson, President and CEO said, "Solid performance at each of our operations in the second quarter keeps us well on track for full year production guidance. With a stronger second half of the year still in front of us, we look forward to delivering into near-term growth."

Marigold Mine, U.S.

Q2 2018

Q1 2018

% Change (1)

Total material mined

kt

15,958

16,150

(1.2%)

Waste removed

kt

8,083

9,052

(10.7%)

Ore to leach pad

kt

7,875

7,099

10.9%

Strip ratio

w/o

1.0

1.3

(23.1%)

Gold grade to leach pad

g/t

0.42

0.37

13.5%

Gold recovery

%

74.4%

73.6%

1.1%

Gold produced

oz

49,436

42,960

15.1%

Gold sold

oz

46,644

42,078

10.9%

Notes:

(1)

Percent changes are calculated using rounded numbers presented in the table.

In the second quarter of 2018, the Marigold mine produced 49,436 ounces of gold, a 15% increase over the first quarter. Gold sales totaled 46,644 for the quarter, reflecting an increase in bullion inventory.

During the quarter, 16.0 million tonnes of material were mined, similar to the first quarter primarily due to longer haul distances associated with the increase in ore tonnes. We expect total material mined to increase during the second half of 2018 due to shorter haul distances and as the four additional haul trucks enter service. These factors, along with completion of the new leach pad, are expected to increase gold production through the second half of the year.

Approximately 7.9 million tonnes of ore were delivered to the heap leach pads, a quarterly record. Gold grade increased to 0.42 g/t. This compares to 7.1 million tonnes of ore delivered to the heap leach pads at a gold grade of 0.37 g/t in the first quarter of 2018. The strip ratio was 1.0:1 for the quarter, 23% lower than the prior quarter.

Seabee Gold Operation, Canada

Q2 2018

Q1 2018

% Change (1)

Total ore milled

t

84,010

93,269

(9.9%)

Ore milled per day

t/day

923

1,036

(10.9%)

Gold mill feed grade

g/t

7.95

8.95

(11.2%)

Gold recovery

%

97.3%

97.4%

(0.1%)

Gold produced

oz

23,582

23,717

(0.6%)

Gold sold (2)

oz

20,512

20,012

2.5%

Notes:

(1)

Percent changes are calculated using rounded numbers presented in the table.

(2)

Beginning with the first quarter of 2018, the holder of a 3% net smelter returns royalty elected to receive its royalty in-kind and we will no longer report these ounces within gold sold.

Seabee Gold Operation produced 23,582 ounces of gold in the second quarter, in line with production in the previous quarter. Gold sales were 20,500 ounces, lower than production as gold ounces poured at the end of the second quarter will be sold in the third quarter.

The mill achieved an average throughput of 923 tonnes per day, an 11% decrease from the first quarter. Production during the second quarter was impacted by planned maintenance, the transition of mining activities to the high-grade Santoy mine, and a forest fire. Mill throughput is expected to increase through the second half of the year relative to the second quarter. Gold recovery for the quarter remained consistent at 97.3%.

Puna Operations, Argentina(1)

Q2 2018

Q1 2018

% Change (4)

Ore milled

kt

396

373

6.2%

Silver mill feed grade

g/t

110

115

(4.3%)

Zinc mill feed grade (2)

%

0.71%

-

NA

Silver recovery

%

63.4%

67.7%

(6.4%)

Zinc recovery (2)

%

31.5%

-

NA

Silver produced

koz

954

938

1.7%

Silver produced (attributable) (3)

koz

716

704

1.7%

Zinc produced (2)

lbs

1,521

-

NA

Zinc produced (attributable) (2) (3)

lbs

1,141

-

NA

Silver sold

koz

1,142

1,064

7.3%

Silver sold (attributable) (3)

koz

857

798

7.4%

Notes:

(1)

Figures are on 100% basis unless otherwise noted.

(2)

Data for zinc production and sales relate only to zinc in zinc concentrate. "NA" indicates data not applicable due to no comparable data available in Q1 2018.

(3)

Figures are on a 75% attributable basis.

(4)

Percent changes are calculated using rounded numbers presented in the table.

During the second quarter of 2018, the operation produced 1.0 million ounces of silver, for a total of 1.9 million ounces produced in the first half of 2018, exceeding our silver production guidance of 1.6 million ounces. Silver sales were 1.1 million ounces for the quarter, as concentrate inventories were further reduced. Our attributable share of silver production and sales in the second quarter were 0.7 million ounces and 0.9 million ounces, respectively.

Ore was milled at an average rate of 4,353 tonnes per day in the second quarter, 5% above the previous quarter. Ore milled in the second quarter contained an average silver grade of 110 g/t, 4% lower than the 115 g/t average silver grade in the first quarter, consistent with processing of increasingly lower grade stockpiles. The average silver recovery in the second quarter was 64%, 6% lower than the previous quarter.

We commenced production of zinc concentrate from stockpiles later in the second quarter, and produced approximately 1.5 million pounds of zinc. No zinc sales occurred during the quarter.

Qualified Persons

The scientific and technical data contained in this news release relating to the Marigold mine has been reviewed and approved by Karthik Rathnam, MAusIMM (CP), a qualified person under National Instrument 43-101 – Standards of Disclosure for Mineral Projects ("NI 43-101") and our Chief Engineer at the Marigold mine. The scientific and technical data contained in this news release relating to the Seabee Gold Operation has been reviewed and approved by Cameron Chapman, P.Eng., a qualified person under NI 43-101 and General Manager at the Seabee Gold Operation. The scientific and technical data contained in this news release relating to Puna Operations has been reviewed and approved by Bruce Butcher, P.Eng., a qualified person under NI 43-101 and our Director, Mine Planning.

About SSR Mining

SSR Mining Inc. is a Canadian-based precious metals producer with three operations, including the Marigold gold mine in Nevada, U.S., the Seabee Gold Operation in Saskatchewan, Canada and the 75% owned and operated Puna Operations joint venture in Jujuy Province, Argentina. We also have two feasibility stage projects and a portfolio of exploration properties in North and South America. We are committed to delivering safe production through relentless emphasis on Operational Excellence. We are also focused on growing production and Mineral Reserves through the exploration and acquisition of assets for accretive growth, while maintaining financial strength.

This news release contains forward-looking information within the meaning of Canadian securities laws and forward-looking statements within the meaning of the U.S. Private Securities Litigation Reform Act of 1995 (collectively, "forward-looking statements") concerning the anticipated developments in our operations in future periods, and other events or conditions that may occur or exist in the future. All statements, other than statements of historical fact, are forward-looking statements.

Generally, forward-looking statements can be identified by the use of words or phrases such as "expects," "anticipates," "plans," "projects," "estimates," "assumes," "intends," "strategy," "goals," "objectives," "potential," "believes," or variations thereof, or stating that certain actions, events or results "may," "could," "would," "might" or "will" be taken, occur or be achieved, or the negative of any of these terms or similar expressions. The forward-looking statements in this news release relate to, among other things: future production of gold, silver and other metals; the prices of gold, silver and other metals; the effects of laws, regulations and government policies affecting our operations or potential future operations; future successful development of our projects; the sufficiency of our current working capital, anticipated operating cash flow or our ability to raise necessary funds; estimated production rates for gold, silver and other metals produced by us; timing of production at the Marigold mine, the Seabee Gold Operation and Puna Operations; timing of our exploration and development programs; the expected benefits of the four additional haul trucks and the new leach pad at the Marigold mine; ongoing or future development plans and capital replacement, improvement or remediation programs; the estimates of expected or anticipated economic returns from our mining projects, including future sales of metals, concentrate or other products produced by us; our ability to achieve our production guidance; and our plans and expectations for our properties and operations.

These forward-looking statements are subject to a variety of known and unknown risks, uncertainties and other factors that could cause actual events or results to differ from those expressed or implied, including, without limitation, the following: uncertainty of production, development plans and cost estimates for the Marigold mine, the Seabee Gold Operation, Puna Operations and our projects; our ability to replace Mineral Reserves; commodity price fluctuations; political or economic instability and unexpected regulatory changes; currency fluctuations; the possibility of future losses; general economic conditions; counterparty and market risks related to the sale of our concentrate and metals; uncertainty in the accuracy of Mineral Reserves and Mineral Resources estimates and in our ability to extract mineralization profitably; differences in U.S. and Canadian practices for reporting Mineral Reserves and Mineral Resources; lack of suitable infrastructure or damage to existing infrastructure; future development risks, including start-up delays and cost overruns; our ability to obtain adequate financing for further exploration and development programs and opportunities; uncertainty in acquiring additional commercially mineable mineral rights; delays in obtaining or failure to obtain governmental permits, or non-compliance with our permits; our ability to attract and retain qualified personnel and management; the impact of governmental regulations, including health, safety and environmental regulations, including increased costs and restrictions on operations due to compliance with such regulations; unpredictable risks and hazards related to the development and operation of a mine or mineral property that are beyond our control; reclamation and closure requirements for our mineral properties; potential labour unrest, including labour actions by our unionized employees at Puna Operations; indigenous peoples' title claims and rights to consultation and accommodation may affect our existing operations as well as development projects and future acquisitions; certain transportation risks that could have a negative impact on our ability to operate; assessments by taxation authorities in multiple jurisdictions; recoverability of value added tax and significant delays in the collection process in Argentina; claims and legal proceedings, including adverse rulings in litigation against us and/or our directors or officers; compliance with anti-corruption laws and internal controls, and increased regulatory compliance costs; complying with emerging climate change regulations and the impact of climate change; fully realizing our interest in deferred consideration received in connection with recent divestitures; fully realizing the value of our shareholdings in our marketable securities, due to changes in price, liquidity or disposal cost of such marketable securities; uncertainties related to title to our mineral properties and the ability to obtain surface rights; the sufficiency of our insurance coverage; civil disobedience in the countries where our mineral properties are located; operational safety and security risks; actions required to be taken by us under human rights law; competition in the mining industry for mineral properties; our ability to complete and successfully integrate an announced acquisition; reputation loss resulting in decreased investor confidence, increased challenges in developing and maintaining community relations and an impediment to our overall ability to advance our projects; risks normally associated with the conduct of joint ventures; an event of default under our convertible notes may significantly reduce our liquidity and adversely affect our business; failure to meet covenants under our senior secured revolving credit facility; information systems security threats; conflicts of interest that could arise from certain of our directors' and officers' involvement with other natural resource companies; other risks related to our common shares; and those other various risks and uncertainties identified under the heading "Risk Factors" in our most recent Annual Information Form filed with the Canadian securities regulatory authorities and included in our most recent Annual Report on Form 40-F filed with the U.S. Securities and Exchange Commission ("SEC").

This list is not exhaustive of the factors that may affect any of our forward-looking statements. Our forward-looking statements are based on what our management currently considers to be reasonable assumptions, beliefs, expectations and opinions based on the information currently available to it. Assumptions have been made regarding, among other things, our ability to carry on our exploration and development activities, our ability to meet our obligations under our property agreements, the timing and results of drilling programs, the discovery of Mineral Resources and Mineral Reserves on our mineral properties, the timely receipt of required approvals and permits, including those approvals and permits required for successful project permitting, construction and operation of our projects, the price of the minerals we produce, the costs of operating and exploration expenditures, our ability to operate in a safe, efficient and effective manner, our ability to obtain financing as and when required and on reasonable terms, our ability to continue operating the Marigold mine, the Seabee Gold Operation and Puna Operations, dilution and mining recovery assumptions, assumptions regarding stockpiles, the success of mining, processing, exploration and development activities, the accuracy of geological, mining and metallurgical estimates, no significant unanticipated operational or technical difficulties, maintaining good relations with the communities surrounding the Marigold mine, the Seabee Gold Operation and Puna Operations, no significant events or changes relating to regulatory, environmental, health and safety matters, certain tax matters and no significant and continuing adverse changes in general economic conditions or conditions in the financial markets (including commodity prices, foreign exchange rates and inflation rates). You are cautioned that the foregoing list is not exhaustive of all factors and assumptions which may have been used. We cannot assure you that actual events, performance or results will be consistent with these forward-looking statements, and management's assumptions may prove to be incorrect. Our forward-looking statements reflect current expectations regarding future events and operating performance and speak only as of the date hereof and we do not assume any obligation to update forward-looking statements if circumstances or management's beliefs, expectations or opinions should change other than as required by applicable law. For the reasons set forth above, you should not place undue reliance on forward-looking statements.

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Organization Profile

SSR Mining Inc. is a Vancouver-based mining company focused on the operation, development, exploration and acquisition of precious metal projects. It is listed under the ticker symbol SSRM on the NASDAQ Capital Markets and the Toronto Stock Exchange.
SSR Mining is a precious metals producer with three operations, including the Marigold gold mine in Nevada, U.S., the Seabee Gold Operation in...